[ 188 ] 



Mttrtbl, Mean Pressure, Temperature, and Dew Point, *c. of 1812 , deduced fro™ the Observations recorded 

 in the preceding Journal. 



Range of 



Min. Me.1. Barom. M>m 



t 9 . 100129.969 I.352 U9.983 29.9+429.977 



t9.115l29.937 ». 373 29.968 29.938 29.92029.942 

 19. 152 29. 824 1.180 29.866 29.848 29.78: 

 29.303 30.029 1.052 30.035 



76 [joioij 29 



29.945 



01730.015 30.022 

 .9.900 29.903 



1.99^ 



93629.919 

 19. 991129.988 

 19.806 29.807 

 29.947,29.94229, 

 29.663 29. 694! 29 

 30. 100 30. 074130.082' 



z 9 . 917129. 924 69.75 



36.70 

 40.03 39 .92 46 



98 43-83 50. 5444-51 46.29j 

 2846.1354.4039-96 46.85 

 53.73 55.1662.3850.93 56. i5| 

 63.5665.4774.4361.1667. 

 62.3969. 

 766.7773-6761.38 67. 27I 

 57.56 57-53 6 3-5° S4-70 58.58; 

 43.09 53.58 43-87 



.91 42.4047.5641.8643. 

 1 4 1 -93 47.25 f3- 



29.41 I49.8049.73J56.6 



46.85 



47-595'-33 87-25 52.25 48-58 



Hygrometer indicating Dew Point. 



Scale of the Winds. 





u 









Least 

 Sure 



N. N. E. 



E. 



I 



g 



S. w. 



W. ! N.W. 



Days. 



In. P'- 



Jan. . 3 i. 35 3 4-7 + 3M8 32.89 

 Feb.. 39.28 43-53 39-28 40.69 



223 

 .288 



1.07 



996 



730 

 710 











5 



3 



3 1 7 



31 

 28 



1-32 



March 43.16 44-5* 44-22 43.98 





2-31 



921 



636 



3 I 







3 



"0 





3» 





M »y-| S l -SK 49- 6 7 5°-«2 5°-43 



.284 

 .407 



6-47 

 5-72 



784 



896 



427 



3 j 13 

 3 5 







7 





6 4 



3 l 

 30 



1.5S 



June. 58.44 58.10 58.66 58.40 

 July. 57.71 58.29 56.70 56.32 

 Aug. 63.58 61.09 6| .'2 61.93 



.526 

 .518 

 .592 



5-36 

 5-34 



7S2 

 848 

 839 

 942 



435 



665 



8 



1 ■ 8 



3 



7 

 5 





3 



7 



5 



; : 



6 2 



3» 

 3 1 



30 



3-39 



Nov. 41.97 45.53 41 .86 43.12 



•333 

 ■ 3*7 

 .318 



.387 



0.16 



899 



59i 



1 j 13 



6 



+4 



■5 



6 

 53 



9 

 7 



I 74 



4 » 

 3 1 

 9 



jlTI 29 



3 1 

 30 

 3i 



~7f 



4-47 



0.76 



